On 1/7/25 11:24 AM, Haeuptle, Michael wrote: > Thanks for the quick response! > > When I remove that check on the 6.1.85 kernel version we're using, > then it seems that the user space program is losing IOs. I confirmed > this with fio. When we hit this issue, fio never completes and is > stuck. That's because the io_uring logic assumes it happens inline via submission, and for your case it does not. Which is also why it gets failed. And hence setting the retry flag in that condition will do absolutely nothing, as nobody is there to see it. > I can certainly try that later kernel with your fix, if you think > there are other changes that prevent losing IOs. Please try the branch and see how it fares for you. -- Jens Axboe
